JPH0697734A - 電圧制御構成要素を備えた電子回路 - Google Patents

電圧制御構成要素を備えた電子回路

Info

Publication number
JPH0697734A
JPH0697734A JP4271375A JP27137592A JPH0697734A JP H0697734 A JPH0697734 A JP H0697734A JP 4271375 A JP4271375 A JP 4271375A JP 27137592 A JP27137592 A JP 27137592A JP H0697734 A JPH0697734 A JP H0697734A
Authority
JP
Japan
Prior art keywords
voltage
electronic circuit
component
bias voltage
capacitance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP4271375A
Other languages
English (en)
Japanese (ja)
Inventor
Seppo Hietala
ヒエタラ セッポ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of JPH0697734A publication Critical patent/JPH0697734A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes

Landscapes

  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
JP4271375A 1991-10-09 1992-10-09 電圧制御構成要素を備えた電子回路 Pending JPH0697734A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI914763A FI914763A0 (fi) 1991-10-09 1991-10-09 Kompensering av en spaenningsstyrd olineaer komponent i en radiotelefon.
FI914763 1991-10-09

Publications (1)

Publication Number Publication Date
JPH0697734A true JPH0697734A (ja) 1994-04-08

Family

ID=8533266

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4271375A Pending JPH0697734A (ja) 1991-10-09 1992-10-09 電圧制御構成要素を備えた電子回路

Country Status (5)

Country Link
US (1) US5357222A (lt)
EP (1) EP0550128B1 (lt)
JP (1) JPH0697734A (lt)
DE (1) DE69228671T2 (lt)
FI (1) FI914763A0 (lt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI97925C (fi) * 1994-06-21 1997-03-10 Nokia Mobile Phones Ltd Virityslineaarisuudeltaan parannettu jänniteohjattu oskillaattori
FI98575C (fi) * 1995-07-20 1997-07-10 Nokia Mobile Phones Ltd Viritettävä jänniteohjattu oskillaattori
US5648744A (en) * 1995-12-22 1997-07-15 Microtune, Inc. System and method for voltage controlled oscillator automatic band selection
FI101657B1 (fi) * 1996-07-25 1998-07-31 Nokia Mobile Phones Ltd Jänniteohjattu oskillaattorikytkentä
FI102228B1 (fi) * 1997-01-16 1998-10-30 Nokia Mobile Phones Ltd Oskillaattorin tehonkulutuksen minimointi
US6833769B2 (en) * 2003-03-21 2004-12-21 Nokia Corporation Voltage controlled capacitive elements having a biasing network
US20040227578A1 (en) * 2003-05-14 2004-11-18 Miikka Hamalainen Acoustic resonance-based frequency synthesizer using at least one bulk acoustic wave (BAW) or thin film bulk acoustic wave (FBAR) device
TW201216620A (en) * 2010-10-06 2012-04-16 Hon Hai Prec Ind Co Ltd Resetting signal discharge circuit
CN102447455A (zh) * 2010-10-07 2012-05-09 鸿富锦精密工业（深圳）有限公司 复位信号放电电路
CN104539274B (zh) * 2014-12-31 2017-12-05 广东志高空调有限公司 一种复位电路及WiFi通信系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH548696A (de) * 1972-08-29 1974-04-30 Bbc Brown Boveri & Cie Schaltungsanordnung zur vergroesserung der wirksamen kapazitaet eines kondensators.
DE2251372A1 (de) * 1972-10-19 1974-05-02 Siemens Ag Variable halbleiter-abstimmkapazitaet
JPS5516461B2 (lt) * 1974-03-25 1980-05-02
CH582446A5 (lt) * 1975-03-10 1976-11-30 Bbc Brown Boveri & Cie
DE2529013A1 (de) * 1975-06-28 1976-12-30 Licentia Gmbh Rundfunkgeraet mit einem oszillator
JPS5426601A (en) * 1977-08-01 1979-02-28 Pioneer Electronic Corp Temperature compensating circuit for varactor
US4117422A (en) * 1977-12-27 1978-09-26 Motorola, Inc. Circuit for compensating vco nonlinearities in frequency modulated phase-locked loops and method thereof
US4494090A (en) * 1981-04-06 1985-01-15 Motorola, Inc. Frequency modulation system for a frequency synthesizer
DE3204899A1 (de) * 1982-02-12 1983-08-25 Siemens AG, 1000 Berlin und 8000 München Laufzeitentzerrer fuer geraete der elektrischen nachrichtentechnik
US4641101A (en) * 1984-10-25 1987-02-03 Ifr, Inc. Wideband, microwave regenerative divider with varactor tuning
JPH062333Y2 (ja) * 1986-05-07 1994-01-19 アルプス電気株式会社 変調器付電圧制御発振器
JPH0513045Y2 (lt) * 1986-05-07 1993-04-06
JPH0787345B2 (ja) * 1986-06-20 1995-09-20 松下電器産業株式会社 局部発振装置
US4801898A (en) * 1988-03-17 1989-01-31 Hitachi Denshi Kabushiki Kaisha Voltage-controlled oscillator
JPH0250606A (ja) * 1988-08-12 1990-02-20 Nec Corp 周波数シンセサイザ

Also Published As

Publication number Publication date
FI914763A0 (fi) 1991-10-09
US5357222A (en) 1994-10-18
DE69228671T2 (de) 1999-09-09
EP0550128A2 (en) 1993-07-07
EP0550128B1 (en) 1999-03-17
DE69228671D1 (de) 1999-04-22
EP0550128A3 (lt) 1994-02-16

Similar Documents

Publication Publication Date Title
US7474166B2 (en) PLL frequency synthesizer circuit and frequency tuning method thereof
USRE40620E1 (en) Fully integrated All-CMOS AM transmitter with automatic antenna tuning
US7342464B2 (en) Oscillator and a PLL circuit using the oscillator
US6011440A (en) Amplifier having output range that exceeds supply voltage
US6417740B1 (en) Wide-band/multi-band voltage controlled oscillator
EP0501620B1 (en) Wideband oscillator with bias compensation
US6081168A (en) Voltage controlled oscillator for upconverter/downconverter in digital radio communication system
JP3921362B2 (ja) 温度補償水晶発振器
JPH0697734A (ja) 電圧制御構成要素を備えた電子回路
US6734747B1 (en) Piezoelectric oscillator
US3916344A (en) Direct FM modulated high frequency oscillator having selectively controllable frequency deviation sensitivity
EP0357996B1 (en) Frequency modulator utilizing frequency synthesizer
US5764109A (en) Voltage-controlled oscillator (VCO) having a voltage derived from its output to tune its center frequency
US5675292A (en) Phase lock loop enabling smooth loop bandwidth switching over a wide range
US6476684B2 (en) Low noise frequency modulator having variable carrier frequency
US7944318B2 (en) Voltage controlled oscillator, and PLL circuit and radio communication device each including the same
JPH062333Y2 (ja) 変調器付電圧制御発振器
US7394329B2 (en) Analog varactor
JPH0645826A (ja) 電圧制御発振器
JPH0513045Y2 (lt)
EP2107681B1 (en) Prescaler circuit and buffer circuit
JPH0846427A (ja) 電圧制御型水晶発振器
JP2911269B2 (ja) Ｐｌｌ周波数シンセサイザ
US20050242895A1 (en) Voltage-controlled oscillator with four terminal varactors
JP4507070B2 (ja) 通信装置